#A6313D#A6313D

#A6313D is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.3% C 0.152 H 19.1°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#A6313D
RGB	rgb(166, 49, 61)
HSL	hsl(354, 54%, 42%)
HSV	hsv(354, 70%, 65%)
CMYK	cmyk(0%, 70.5%, 63.3%, 34.9%)
CIE-LAB	lab(38.97, 48.41, 20.68)
CIE-LCH	lch(38.97, 52.64, 23.13°)
OKLab	oklab(49.27% 0.1439 0.0498)
OKLCH	oklch(49.27% 0.152 19.1)
XYZ	xyz(17.6683, 10.6431, 5.5379)
Luminance	0.1064 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6313D #31A69A

analogous

#A63178 #A6313D #A65F31

triadic

#A6313D #3DA631 #313DA6

tetradic

#A6313D #78A631 #31A69A #5F31A6

square

#A6313D #78A631 #31A69A #5F31A6

split-complementary

#A6313D #31A65F #3178A6

monochromatic

#47151A #77232C #A6313D #CA4A58 #D87A83

Accessibility & contrast

On white

6.71

#A6313D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A6313D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6313D

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6313D	#FFFFFF	#000000	##FFFFFF
##A6313D	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504C3D

Deuteranopia (green-blind)

#6E653A

Tritanopia (blue-blind)

#B61136

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a6313d;
/* rgb */ color: rgb(166, 49, 61);
/* oklch */ color: oklch(49.3% 0.152 19.1);

Tailwind

colors: {
  custom: {
    50: '#c77172',
    500: '#a6313d',
    950: '#000000',
  },
}

SCSS

$custom: #a6313d;
$custom-light: #c77172;
$custom-dark: #000000;

JSON

{
  "hex": "#a6313d",
  "rgb": {
    "r": 166,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 353.846,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.4927,
    "c": 0.15225,
    "h": 19.1
  },
  "luminance": 0.10641
}

Semantic roles & 50–950 ramp

primary

#A6313D

secondary

#73C0B8

accent

#DECF4A

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140808

muted

#837B7B

Preview Lab

Preview with #A6313D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →